ATcl install
You may see original ATcl site for more information : http://nektomk.ru/atcl
ATcl is an integrator library, and therefore Tcl itself is primarily necessary.
Tcl is freely available and has no licensing encumbrances (usually the license BSD-like).
To work with MT4, you will need 32-bit (this is important! MT4 32-bit, but 64-bit libraries will not work with it) version of Tcl.
You can use any of the Tcl distributions:
You can even compile yourself :-)
Download the ATcl archive https://sourceforge.net/projects/mt-atcl/files/latest/download
the distribution includes useful demonstrations
Unpack the contents of the archive into the data directory of your terminal.
The archive contains the following files:
MQL4 / Libraries / ATcl / atcl.dll - DLL library. Component required for installation
MQL4 / Libraries / ATcl /lib - contains tcl demo scripts
MQL4 / Include / ATcl / atcl.mqh - MQL library interface. Contains class ATcl
MQL4 / Files / ATcl / - contains demo files. At least the directory must be created
MQL4 / Experts / ATcl / - contains demonstration experts. It`s optional.
MQL4 / Indicators / ATcl / - demo indicator. Also optional
MQL4 / Scripts / ATcl - demo scripts. Optional